Everyone is worried about video and rightly so, or maybe is just being used as an example, but my question is: Could ISPs prevent in any way Software Updates? C

Everyone is worried about video and rightly so, or maybe is just being used as an example, but my question is: Could ISPs prevent in any way Software Updates? Could they block (for example) a patch that would fix a bug allowing them to mim web requests to inject lets say, ads?