> I got to pick the team after being hired This is typical for a company where people who hire you are not the same people you end up working with. The team y

> I got to pick the team after being hired This is typical for a company where people who hire you are not the same people you end up working with. The team you picked may not have wanted you. They didn't get to choose you and they didn't get to interview you. Consequently, they may not have thought it's their responsibility to onboard you, so they made it a painful experience for you on purpose.