I had some fun writing this
Eisner's 'good' decisions 1984 - 1994 (approx.):
When he joined the company it was in really bad shape, the movies were not doing well, only the parks were mostly profitable
He started the Touchstone live action films which started making profits
This allowed animation to start again with the Disney Renaissance
He made a deal with Tokyo for a 3rd Disney park
At WDW he started Downtown Disney for shopping and invested in the parks
Eisner's 'bad' decisions 1994 - 2005 (approx):
Euro Disney was built with far too many hotels, 1 park and 7 hotels! and took years to even break even.
Because of the issues with
Disneyland Paris he scaled back and cut costs in all other parks
He cut the costs for the second gate at Disneyland aka California Adventure, same issue with the second park at Disneyland Paris.
He also started cutting animation budgets and began the cheap direct to video sequels
He refused to negotiate a fair deal with Pixar which means Steve Jobs stepped in for distribution deals.
There was the whole issue with Jeffery Katzenberg, which deserves a list of its own