It wasn't a put down at all. I can't bench in the 3s for reps yet. Just pointing out the fact that you'll get hoards of advice before anyone even thinks to offer the suggestion that maybe you just need to get your chest stronger. It doesn't even seem like it's something you originally considered considering your OP has no mention of your strength levels.
I'm guessing the guy at your gym is a powerlifter? In which case, he's not trying to bring up his chest, just bench in the way that most optimally utilizes his leverages, pulling in alot of delts, tris, lats, and leg drive. But I'm talking about Bodybuilders, as you did post this in the BB section. And of course, there are also guys who can't bench in the 300s for reps, but have well developed chests. On this site, I would say a good 99% of posts started about a lagging chest are NOT from guys benching in the 3s for reps.