GDPR killed read tracking, go EU! Keep flexing as a 27-30 nation bloc! You are built for the 21st century when no other union, regulatory body or country consensus system is!
I wish it was the case, but quite far from it... pretty much all companies that email me keep tracking. I even asked Backblaze —- one of the nicer companies I know —about it[0], but they refused to stop tracking me.