I don't think they would be able to do anything about it, since (from what I could infer from reading) it is zero-knowledge, so no one from the company can access the pictures. I might be wrong, though
Now, Ente could still change its web application to somehow leak the master key and not disclose the changes in the source repo. One solution for this vulnerability is to package the entire web client as a browser extension, which is what Mega is doing:
Secondly, if you do provide service to terrorists or pedophiles, and take no steps to stop doing so, law enforcement and society in general is not going to be very happy with you.