Fiberglass Steps inground

Steps are 30 years old and have started to bubble in some areas . I have patched the last few years and so far its been good. I know some people have actually redid their steps by sanding down and installing new top layer only to have issue appear again . Will be replacing the liner this spring and if a time to do something with steps now would be it. Any recommendations ?

I see that they now can cover steps with the liner but unsure of how this would look and how functional it is . I like the appearance and also the texture to the existing steps . I know replacing them is more of a task and cost that want to consider . Live in rural area so firms that would do something with steps are limited . Any recommendation appreciated