This. I'm not sure why people keep acting like Disney is gutting their other areas and only going to be doing streaming. Disney+ is going to be a big area of push going forward, but they are still going to be making (theatrical) movies, operating TV networks, sell consumer goods and, yes, run theme parks.
In fact, I'd argue that their big time theatrical movies is a big aspect of the buildup for streaming. Having those popular tentpole MCU, Star Wars, animated, even live action remake type films allows the company to both profit off of large theatrical ticket sales and provide valuable content for Disney+ - that's a huge win especially as they are the type of "popular" films that many people will watch more than once.
And the parks allow for ongoing value for promoting the Disney brand. There's a clear synergy there that helps with streaming loyalty and vice versa. There's no reason to think that any of that is going away or being de-emphasized despite the push for streaming.