I'd say obsolete, slight bit of research and ublock filters do the trick better.

▶️ Very Good Plugin Disconnectот Disconnect ;)

Dead and completely unnecesary. Use Ublock Origin instead + Firefox's Enhanced Tracking Protection already uses Disconnect's lists.

paid product coated in open-source like sandboxied

Not maintained or updated any more. Use ublock origin for better blocking and filtering.

5

For me it just made firefox slower