Though that certainly has happened to me as well, it strikes me that the opposite has happened more often: I've done things which turned out to be beneficial, and avoided to do things that would have been bad, because of the opinions of my social circles.
Lots of the time, things that are seen as weird and stupid by the majority actually are weird and stupid.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one.
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.