https://www.wowhead.com/news=284616/...shed-pet-charm
Toys and Pets that required charms in Legion still require the old charms. It was only the upgrade stones and the pocket portal that were moved to require the new stones.
You should also be fine with not collecting everything then. You wouldn't have any of the Celestial Tourney pets or Deadmines. Those took a lot more leveling and strategies to finish (at least Celestial Tourney). Doing World Quests even as someone who doesn't like pet battles is relatively easy. It only requires a dozen or so pets at 25 and you can find strategies on wowhead of Xu-Fu for all of the battles.But YES there are those of us out here that just really like little pets - and don't like the pokemon stuff! *hrumps*
It really is not a big deal that 6 pets for a Faction are locked behind both rep and charms. You can buy those pets off the AH if you really want to. It is six pets out of the all the pets they added. No complaints about having to grind island expeditions for pets? Out of all the things to complain about as a collector having to use charms for 6-12 pets is dumb.
No complaint about achievements in dungeons? 1 million gold? etc. Don't pull the collector card when the effort to collect what you are complaining about is miniscule compared to all the other requirements to collect them all.