Most games are won or lost based on the decisions made by the given teams, not based on reaction times or pure APM. Knowing when someone will be in their jungle, when they'll be coming for a gank or what route they'll take when trying to escape a gank, memorizing pathways through trees, predicting their lanes and arranging yours to stymie theirs... all of that's based purely off of experience, which is quite different from skill.
It's fun as hell to watch Dendi pull of feats of amazing reaction time, but very rarely do those isolated incidents make the difference between a win and a loss.
lol? Some of the best commentators on sports in general are people who never played it at the professional level, and especially in a game like Dota where the burden is mostly on rote memorization and general experience, you can get a lot of information simply from watching and analyzing other people play, especially people at a high level. This goes double for the after-game interviews that are becoming more common, where those players are explaining what was going through their head at the moment something happened.Observation is not enough in any game. For DotA case, sometimes professional players/teams outskill/outpick each other that's why some heroes may seem underpowered or overpowered but you can't even understand it.
It was a significant contributing factor in a lot of games where Morphling won - the ability to dive into the enemy team to instantly kill a support and replicate back out to avoid punishment. Like Lysah said, that turns it into a 4v5 at minimal cost to Morphling's team.About morph, Some heroes easier than the others but the hardest and only significant part is playing against good players which always have room for improvements and skill. They would know exactly what you are going to do and I really don't think a game is purely lost in pro scene just because you could combo wave shotgun and back to base or somewhere else combo.