Yes, sometimes speech can have far-reaching consequences. Especially highly destructive speech, or original or creative speech.
Sometimes, before I post something online, I spend time considering whether something very similar has been broadly published.
When I was studying Kung Fu with a bunch of guys in college, I brought up the idea of using forms to memorize stuff. One of the guys said something like, “Yeah! Forms are indexes!” That was about 25 to 27 years ago. I think I waited that long before I found something very similar online and posted it:
Posting something that is already very widely published in a helpful context seems much less dangerous to me.