I also hate people who blame thier shortcomings on lag.
LoL logic:
You are better than me, you have no life.
I am better than you, you are a noob.
Everyone is performing better than me, I have lag.
I have a good score but we are losing, my team-mates are noobs.
LoL occupies a weird place in gaming. It is a great, well-thought out game that plays really well and is fun. It has its flaws, but so does everything, and for a free game, the quality is more than anyone should ask for. Yet the community as a whole can manage to ruin everything. It only take 1 bad apple to spoil the bunch except theres more than just one of them.
What is arguably more annoying now is the community's absurd reaction to ANYTHING that slightly displeases them : REPORT THIS PLAYER. Whats that? you have an extra 20 gold needed to buy your rabadons? Your going to wait for gold over time and get it so you can join the team with a massively increased power? NOPE. STANDING IN BASE FOR LIKE 10 SECONDS. 'OMG NOOB AFK REPORT'. Having a bad game? Yeah happens to everyone. Wait. No. NOOB FEEDER REPORT. REPORT THIS GUY FOR TROLLING. etc etc. I really do fear for new players. Im tempted to join an adopt a noob style program and help new players. Someone has to do it, and tell them that all those people who flame are clearly stupid as f**k.
EDIT: If anyone would like some help with anything id be more than willing to. I wouldnt say I was pro, but my natural tendancy to accumulate knowledge comes in handy for this stuff :p.