Originally Posted by Mourna Biziou

I don't like bot invites, or invites to groups just because I bought something there. Maybe it's just me, but it annoys the hell out of me and I'm likely to decline out of annoyance. It's like overbearing salespeople in shops. I dunno, maybe I'm strange.

I prefer a subscribe-o-matic/manual or open enrollment. I've never seen much group spam from shop update groups, either. Maybe once or twice a month, not enough to seriously bug me.