There is usually two types of MAC randomization and they both apply to wireless. One is pre-auth and is part of the IEEE 802.11aq Pre-Association Service Discovery spec. It makes it harder to track a user just because they got in range of an AP.
The other is when they actually connect to an SSID. Win10 and mobile OS’s started supporting this but it maintains a relationship between a MAC/SSID pairing otherwise you would have all kinds of network/auth weirdness if it didn’t.
Regardless if I noticed a device on my network behaving poorly by randomizing its MAC on every connection then I’d swap my network over to a grant list of MAC addresses and it can happily knock itself offline as much as it wants. Utilize a guest networks for visitors to avoid the headache of list management when a friend stops by and wants WiFi.
I can say I’ve never seen that behavior across all my devices though.
That’s just it though. You don’t have perpetual access for life. Movies go missing from my iTunes account all the time(Amazon, VUDU, doesn’t matter). If the studio terminated their contract with iTunes then the movies get pulled from iTunes. Doesn’t matter if you paid for them or not. iTunes stopped hosting the media. If you complain they usually give you like a $2-5 coupon…