it depends on the genre i think, i play racing games,open world racing games like need for speed heat,forza horizon 4 and unfortunately for everyone else playing-racing sims (im honestly terrible at them and dont have feeling in my feet/legs in order to use a wheel/footpedals).
so i enjoy time attack in racing games as im playing against myself, i know its not PC (not refering to 'politicaly correct') but before my sega saturns capacitors died i was playing sega rally time attack in the oldskool toyota celica every day through a retroTINK 2X SCART upscaler, it looked amazing right up till the motherboard capacitors started going screwy (and then just died).
however, im not a fan of time attack in other genres, like FPS,platformers,hack and slashers etc.and i dont do speed runs or anything like that.