Earlier quoted context omitted.
False, how a website is rendered on a device I own is not enforceable (legally speaking) by a acceptable use policy or any website policy; otherwise people would just use that to deter ad-blockers browsers extensions instead of all the shady tactics commonly used.
That’s not the case at all. Your “ownership” of the device isn’t that important in the grand scheme of things. If you’ve signed an agreement with Slack not to modify their product, then you don’t get to modify their product. Blocking ads is not quite the same thing as modifying a product - but I don’t see any obvious reason why an EULA which forbids ad-blocking wouldn’t be enforceable. Though it would be deeply unpop…
Explain.