In some situations, doing nothing is not only a perfectly acceptable response, sometimes it's also the right one
@Play_Bach - You may have less cash flow to pay for the remedial works , feed yourselves, meet company targets etc. etc.
Google seems likely to continue to diminish the results as well if nothings fixed or sites are left in limbo from what I'm seeing. The longer you leave it , the less you'll have, and the more you'll have to do. That's really where I'm coming from - but you may see things differently.