Imagine if there were Move Tutors in the next game that encompass every single Move Tutor throughout the series, including old TMs that lost their TM status. And then bring newer Pokemon up to date with those older moves, so like, for example's sake, it can learn Mega Punch from a Tutor, even though the Mega Punch Tutor hasn't been around since Gen III. Or you'd get things like Toxic Heal Gliscor with Defog.

How much better would Pokemon fare? Who benefits the most?