This is the new playing field, but this game can't last forever. Most software is not churning through a software factory of endless patches and releases. Most software, once mature, is mostly done.
I see a world in which we all get some generous Dependabot 2.0 on large forges because leaving so much software insecure otherwise is untenable, but once the software is not iterating a billion times a week, you're not introducing new classes of bugs just sitting there.
You can have a frontier security model pentesting your program every night while you sleep and you can wake up knowing that whatever happens, you did the best you could.
I see a world in which we all get some generous Dependabot 2.0 on large forges because leaving so much software insecure otherwise is untenable, but once the software is not iterating a billion times a week, you're not introducing new classes of bugs just sitting there.
You can have a frontier security model pentesting your program every night while you sleep and you can wake up knowing that whatever happens, you did the best you could.