There was no reference to alamony or spousal support in the post, but I tend to see that "taking all my money" phase because of un-equilal division of assets. The post implies they feel there was an un-equilal division, but suggests they are in a better state now that the ex is out of their life despite that, which is a relatively healthy expression for what they are going/have gone through.
Where I am, non-financial spousal contributions are taken seriously and is seen as important as any other form of contribute to the marriage. I know that isn't the case everywhere and if you experienced your non-financial contributions being downplayed, I am sorry.
Telling people to stop, is sweeping issues under the rug that should be, and need to be talked about. I do agree non-financial contributions get downplayed, it's shitty that it still happens.
Never said venting was an excuse or the way this venting was happening was perfectly healthy, but that it is necessary to allow people to vent and telling people to stop isn't healthy.
The main benefits to paying for certs are
The only thing that matters to most people is that they don't get cert errors going to/using a web site, or installing software. Any CA that is in the browsers, OS and various language trust stores is the same to that effect.
The rules for inclusion in the browsers trust stores are strict (many of the Linux distros and language trust stores just use the Mozilla cert set), which is where the trust comes from.
Which CA provider you choose doesn't change your potential attack surface. The question on attack surface seems like it might come from lacking understanding of how certs and signing work.
A cert has 2 parts public cert and private key, CAs sign your sites public cert with their private key, they never have or need your private key. Public certs can be used to verify something was signed by the private key. Public certs can be used to encrypt data such that only the private key can decrypt it.