You'd think so, but even a 63-70 speed runner will be successful most of the time against 99 throwers. Unless you slide step and pitch out. My DD catcher has high 90s throwing, but only throw out maybe 20% of runners. This is with only slidestepping and throwing a strike.
The devs just upped the runner speed too much without taking into account fielder animations. Catchers take too long to get throws out and tagging this year can be a mess, then add in how difficult it is to time your throw to 2nd. Preload...nope just gonna stand there.
When you have players online who hit L2 whenever anyone with speed is on without taking a lead, that is a problem. They don't even care if you pitchout and slide step, they will still be successful a majority of the time no matter what and they know it and abuse it.