Fucking awesome, up against a try hard team, Magnus Nyx and Batrider. Tri lane against me on hard lane, they fuck us up completely. I check their profiles and they have ~80 wins so must be smurf accounts aswell. This is fucking pathetic.
Gotta love magnus ult, not op at all.
there are also people coming from dota1 into the game that have a lot of skills/experiences, but clear profiles on dota2. may also be a reason.
line composition is what matters a lot, you usually can't really win all the lanes and its kinda expected you will loose the hard lane (unless you go aggressive tri lane against it etc...). if enemy "invests" most of their power to tri-lane, you could be able to win 2 other lanes.
sometimes it also pays of to leave the line completely rather than to feed. there is just tons of combinations and any setup has its counter. so in the end it comes down to player skill, how active and effective you're etc. better pick wins the game only rarely (if your captain or all random picks it really terribly wrong).