It surely means one has the responsibility to be one as such, having had the education that others have not.

Most web dev, gaming jobs don't care about those things, they care if you can ship fast and cheap. There's embedded and safety related SW that need well thought out safeguards but a lot of that slow moving SW has been farmed out to Asia, EE and India.

No it doesn’t. Getting an engineering degree does not allow you to use the protected title.

The protected titles are gate kept by associations and are not tied to knowledge.