If they're too long, people tend to not read it. If they're too depressing, only a few people will take their time to respond. Usually, if the opinion requires a lot of writing, most people just ignore it, cause it's more time consuming.
Post your questions on here to see why you're not getting opinions.
Could be any number of reasons (1) Timing - Busiest time evening east coast US time (2) Too long - People just skip them (3) Too generic - Does my crush like me (4) I don't think going anon helps (5) There is no hard and fast reason - Keep plugging away and it will happen
Might not be interesting. Might not be clear enough or not enough information. Might be impossible to answer (depends on too many variables). Maybe people's answer might be too long or not helpful enough so they refrain. Gag hasn't shown it to the right people. I probably just haven't seen them.
I just NOW so this One here, dear, on the side of my Questions that come randomly my way and if I like them enough to want to try and help out, I will not only See them, but answer them to my best ability. I do not always see every Question on the side, many times I go into the list of Questions posted in the categories and take it from there. Good luck. xx