How are employers supposed to know you're productive and valuable if you won't even maintain a decent resume?

Honestly you come off as whiny and entitled, everyone has to present themselves through a CV. If you want to stand out you need to put some work into it.

I work as a consultant/contractor, so I am actively encouraged to polish my resume during work hours. You could look into the same if you also want to be paid to polish your resume. I don't see why other kinds of employers would want you to work on it, the only thing you could use it for would be to leave them.

Maintaining a resume is burying the lede. Being "interview ready" in software means maintaining a separate set of skills that are rarely used in the day to day.

When companies are asking for people to reverse red black trees and then turn around and expect their employees to hook up wordpress sites, or build generic REST based CRUD apps, they are implicitly putting the burden of training on the employees.

I posit that the software field is one of the worst fields when it comes to this

While I have never been encouraged to work on my resume on the job, I have been paid to post to the company’s blog and various “thought leadership” posts to LinkedIn and at a previous company open source work.

While it was marketing for them, it also helped build my visibility