[Rhod the Red]

"Elves do have their own affairs and worries" So did Hobbits, but did that stop them from trading with outsiders?

Do the Elves refrain from talking to Frodo, Sam and Pippin? No. The particular 'Wandering Companies' were just wandering as far as we know, certainly according to the name.

"why would he have been ready to escort Frodo on a journey that'd take weeks?" He was ready, but wanted to travel somewhere else. Who knows where? But they were travellers themselves, done plenty already no doubt and it wouldn't have been much trouble for them personally.

"Even if Gildor would have thought it good idea to escort Frodo, his companions maybe wouldn't." So? He was the leader of the Company, he could easilly have ordered them to follow. If they disobeyed, he could have abandoned the WC to accompany Frodo.

"Maybe the Elves were afraid also, and didn't want to set against the Nazgûl" I'm sure they were afraid, but so were Frodo, Sam and Pippin. Did that stop them from trying to jouirney to Rivendell? No, they just travelled on.

"The Elves were no free escort or guard service" Then what was Glorifindel doing? While he was ordered by Elrond to do so, does that mean Gildor shouldn't have because he wasn't? Not in my view.

"the Elves didn't know about the Ring and so didn't understand the whole importance of the matter." They didn't need to, Frodo barely knew anything, most of the story was kept secret by the White Council. If you came across others fleeing to a friend's house, surely it is logical to help them. Friends help eachother, period.