It is the kind of interaction that allows you to play good magic
First, WotC could tweak how the bonus sheet is implemented on MTGA: They have done it in the past, although it really seems extremely unlikely to happen here
After artifacts, they needed to be higher since they are the most commonly played in brews
Ive often said that Magic itself is not my favorite card game (that honor would go to either the Arkham Horror Card Game or Netrunner, depending on the day), but Magic draft certainly is
There are 20 different lesson cards
Even if you dont get rid of the creature permanently, it can reset planeswalkers close to ulting, knock modifications off creatures, and just remove blockers to sneak in those last points of damage