Assertions with evidence are routinely dismissed. Personally, I generally provide links if I make a claim. Others don't. If it peaks my interest enough, I will go look on my own to either confirm or try to discredit the claim. I've learned a great deal by doing so.
That may very well be a superior way to deal with that situation
Say goodbye to the tabloid press, gossip, bull sessions, press conferences, etc
In general I agree, but I think it's important that an assertion made without evidence, but also without absolute certainty, should be dismissed without absolute certainty if it's to be dismissed without evidence.
For example, if I say maybe God exists, but I have no evidence, and one plans to dismiss my assertion without evidence, the strongest dismissal they can make is to declare that maybe God doesn't exist. And vice versa, if I say maybe God doesn't exist, but I have no evidence, the strongest dismissal that can be issued without evidence against my assertion is that maybe God does exist.
Well I always say the evidence to warrant believe in a god or gods is insufficient for me