As someone whose current Twitter account was created around 2013, only 1.9% of my 2248 tweets appear in Google thanks to archiving around once every 24 hours, that includes hits due to archiving by third party services. Meanwhile regular people can read my account without having to follow.
That's a 98.1% reduction in one big source of potential HR-related hiring showdowns.
There are plenty of benefits to a service like this