The thing is - many of the vloggers ARE violating Disney's rules - it's just that Disney chooses not to enforce them. The Resort Property Rules (
https://disneyworld.disney.go.com/park-rules/) include the following prohibited activities:
"Photography, videotaping or recording of any kind, or otherwise engaging in any activity, for unapproved commercial purposes."
"Unauthorized solicitations of any kind, whether commercial, religious, educational or otherwise, or conducting any unauthorized commercial activities, including solicitations of money or other contributions or donations."
The key word there is "commercial" - is someone making money off the activity? If a vlogger monetizes their video or otherwise uses their content to generate ad revenue, they run into the rules. Same thing with the livestreamers who turn on their superchats to solicit or accept donations while filming from the parks. I've never seen anything where Disney has come out officially to say that these are approved or authorized.
Disney looks the other way because the free marketing and promotion benefit Disney - something that's not likely to change unless Disney starts losing money (either through lost ad revenue by not generating their own content, or because vloggers start doing dumb things that damage Disney's brand). If I was a vlogger whose income depended on Disney, however, I'd be very aware of these rules and that the nonenforcement policy could change any time.
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