The protests are isolated to a few hundred noisy people. Nearly all polling shows that the vast majority (by a 2-to-1 margin) of the public supports keeping things closed until relative safety can be assured.
Only 10 percent of voters surveyed in a POLITICO/Morning Consult poll support ending social distancing to stimulate the economy.
www.politico.com
Disney is not "every big crowded venue," they are entirely reliant on people spending thousands of dollars to visit them in order to have a "magical time." They are also far more brand conscious than your average concert venue or movie theater. News stories (along with social media and everything else) that Disney is suffering an outbreak or x number of people died after visiting WDW would be devastating and would be far worse than staying closed another month or two.