It's understandable but it is technically inconsistent and dilutes the meaning of opt-in. Opt implies an active choice, so you never are opting for the default.
It's understandable but it is technically inconsistent and dilutes the meaning of opt-in. Opt implies an active choice, so you never are opting for the default.
It's also simply bad writing regardless of what meaning the reader takes from it. "Enabled by default" or "Allowed by default" are much clearer and more natural phrasings without any connotations of the user having taken an action to express a choice.