Did you do any testing?

You don't need to be a witness to test these hard forks.

But don't ask me, I just have expertise in the industry, what do I know.

Did you use that expertise to test?

The two issues that came up where extreme edge cases that didn't get picked up on testing. The first would have required a user with millions of test power on the test net to reproduce. Now that we know about it, it will certainly be tested in future hard forks.

The second didn't show itself on the test net.