It's substantially better than nothing, is it not? Do you disagree that it requires more effort on the part of a malicious actor when emails are sent from on ostensibly encrypted email service?

Do your house doors not have locks because locks are easy to pick?

Further, wouldn't encrypted email, even in current implementation, be much more effective in keeping secrets if everyone used it? You can do much less with metadata than with email contents, and the fact that leaks of plaintext archives may happen eventually doesn't mean that all archives will be leaked.

The article has a valid point but shaming people by accusing them of larping is IMO irresponsible.