I believe most objections to GUIs come from people who've never experienced good mouse control. If you're not using a high-end gaming mouse and a high refresh rate monitor, with sensitivity/acceleration curve selected with careful thought, on a mouse pad that suits your settings, you probably have bad mouse control.
Watch some videos of top-ranking aim trainer players so see how high the human skill ceiling is for mouse control, and look at the hardware they're using.
You and OP are both conflating GUIs with mouse control. GUIs are great, sure, but aren't necessarily mouse-driven. I'm not using the mouse most of the time in my GUIs.
(also are you suggesting becoming a e-sports tier performer to be... fast in executing actions on your computer? Think about how absurd it sounds. Mouse clicking on UI elements requires visual feedback and a lot more conscious effort where keyboard is just muscle memory and is vastly simpler for most discrete actions, except for a few scenarios, while being blazingly fast. Yes I'm more than aware what aim trainers are, and high-end mice are not more special than high-end keyboards. Aim trainers have completely different constraints and requirements than UIs.)
Esports training is about beating the competition, so you have to chase every last improvement possible, and there are diminishing returns. For ordinary GUI use you can compromise on 99% performance with much less effort. This is still more effort than most computer users put in, but it's hardly anything compared to what professional musicians or athletes have to do. There's nothing absurd about it.
As an example of a compromise you could make, in many games, mouse acceleration has higher skill ceiling than linear mouse control. But mouse acceleration it's harder to learn, and the possible performance improvement is only small. I disable mouse acceleration myself because I'm not aiming to win tournaments. IMO, linear mouse control should be the default.
And I do not experience any conscious effort when using a mouse. My subjective experience is I look at a target and the cursor appears there automatically. The better the hardware you're using the easier it is to achieve this.
bregma · · focus · HN ↗
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mrob · · focus · HN ↗
Watch some videos of top-ranking aim trainer players so see how high the human skill ceiling is for mouse control, and look at the hardware they're using.
orbital-decay · · focus · HN ↗
(also are you suggesting becoming a e-sports tier performer to be... fast in executing actions on your computer? Think about how absurd it sounds. Mouse clicking on UI elements requires visual feedback and a lot more conscious effort where keyboard is just muscle memory and is vastly simpler for most discrete actions, except for a few scenarios, while being blazingly fast. Yes I'm more than aware what aim trainers are, and high-end mice are not more special than high-end keyboards. Aim trainers have completely different constraints and requirements than UIs.)
mrob · · focus · HN ↗
As an example of a compromise you could make, in many games, mouse acceleration has higher skill ceiling than linear mouse control. But mouse acceleration it's harder to learn, and the possible performance improvement is only small. I disable mouse acceleration myself because I'm not aiming to win tournaments. IMO, linear mouse control should be the default.
And I do not experience any conscious effort when using a mouse. My subjective experience is I look at a target and the cursor appears there automatically. The better the hardware you're using the easier it is to achieve this.