I'm not always sure why some thing Imagineering needs to reinvent the wheel every time they do a revamp. Does Toy Story Land fulfill a need for attractions and better theming yes. Do they need to slap 5 "E Ticket" in there? No. They need a lot more C and D. I hope we get more things eventually but for now they need more attractions asap to keep people from avoiding this park. And for now, a lot of people are doing that. Star Wars Land looks great. I think we can all see that once those lands are done, eventually we'll get more. Do I wish they'd pour 5 billion into Epcot and DHS? Yeah ,but that's their money and they aren't gonna do it.
Personally, I see more positive than negative TSL but I'll reserve judgement until we get more concrete plans revealed.