Well, you're obviously not a robot. You don't even use proper english syntax.
Well that's a bit harsh, isn't it?
First he/she may very well be a non-native speaker which would make your comment very rude.
Second let's play the grammar nazi game and analyze the so-called syntax mistake he/she made.
I'll quote sentences from the OP and add corrections in brackets:
a member of a community of people that share[s] similar ideas/personality traits with myself.
In that case the mistake was:
'community' is the subject of the verb, it's a singular noun so we use the third form of the verb.
But it's a very common mistake. Compound names like 'community of people' are treacherous because had people' been the subject of the verb then the writer would have been correct. A good rule of thumb is to just eliminate anything superfluous (i.e community of people~=community) and it'll become easier to use the correct verbal form.
Then there's this mistake:
It will be an interesting experience to voice myself [on] how I truly feel.
That one could have been a typo for all we know. Sure the whole sentence is somewhat clumsy maybe he should have said
"It'll be an interesting experience to voice my true feelings" or something to that effect.
Let he who is without a sin cast the first stone, man. This is a forum, mistakes & typos are to be expected.
Finally imagine that the OP is not a native speaker: you would come off as being incredibly rude.