It does not, but connections have gotten faster so it hasn’t really been that much of an issue. (I don’t work on airlines, but I worked in a place with a very limited satellite connection we had to actively manage.)
Really it’s only video streaming that is a bandwidth hog, so they can block the major sites by DNS and throttle everything to make it not worth it if you find a site not blocked.
It does not, but connections have gotten faster so it hasn’t really been that much of an issue. (I don’t work on airlines, but I worked in a place with a very limited satellite connection we had to actively manage.)
Really it’s only video streaming that is a bandwidth hog, so they can block the major sites by DNS and throttle everything to make it not worth it if you find a site not blocked.