Last part of this post. The bit which starts with
“It’s because if healing was not easier than doing DPS, it would be wholly ineffective”
Oh yeah, the other thing you have to take into account, no matter HOW much you buff healing, One shot kills totally counter healing.
The changes you have made will make it a 2+ sniper meta.
Only one shield tank (if that), snipers completely countering the supports (so no matter how buffed they are)…
It will be Hanzo + Widow + Ashe Meta. PLENTY strong enough to drop any tank, will nullify any healing the supports can put out.
Maybe one would be dropped for that junkrat or Doom
Other DPS would fall out of meta.
Mostly because increased power of supports would force the game towards one shots.