Not for speed (that was only allowed in past versions of macos) but even now, you can go Accessibilty -> Reduce motion blur and it at least won't do the horribl

Not for speed (that was only allowed in past versions of macos) but even now, you can go Accessibilty -> Reduce motion blur and it at least won't do the horrible slide animation, just fade in and out. The other one made me nauseous if I was doing it so often