When my very nice Sony Bravia vintage dumb-TV did something like this last year, it was due to a streaming service running on my PS5, which service I canceled, with extreme prejudice.
(Right now, the ad-free Netflix that I pay for is testing limits sometimes, of how much they try to control my experience for their own whims, but it's tolerable, and there's potential obnoxious things that they tastefully haven't done.) (Though they did briefly give me two creepy categories, for about a day, but then maybe someone realized their mistake, or got the Netflix fired-fast.)
(Right now, the ad-free Netflix that I pay for is testing limits sometimes, of how much they try to control my experience for their own whims, but it's tolerable, and there's potential obnoxious things that they tastefully haven't done.) (Though they did briefly give me two creepy categories, for about a day, but then maybe someone realized their mistake, or got the Netflix fired-fast.)