True, but not necessarily a serious one. Could just be a matter of resources. My co-worker’s machine had a similar issue and I recommended that fix. Just clearing out all the old restore points fixed the issue for him. Perhaps he was running out of drive space, I don’t know.
I’m just saying it can’t hurt to try it.
And I actually suspect Norton is more at fault here. I’ve seen many machines where Norton has caused all kinds of performance issues, including freezing at various times.
Once Norton was gone, the problem was gone.