The new Shimano power link is a pile on SH**TE, no where near as easy as a sram power link.
I’ve been running a PC991 chain for years now, yes i’ve broken them suprisingly the ones that came from the shop on the bike??? within 100miles, this happened twice on 2 different new bikes??? but 30secs later there is a power link in and on the way.
I replace the chain at 75% wear now to save the cassettes and have never since broken one that i’ve fitted???? I may try a KNC one cause i,ve heard good things about them but if it aint broke don’t fix it! Sram comes in a nice little plastic box as well, good if you carry a spare.
I also stretched and bent a brand new Shimano chain on my SS within 20km, chainline was perfect. Stuck an old worn 8sp Sram on and again cover probably 700miles on it and never had a prob, not even cleaned it!