Anakin had two father figures. The problem is the bad father Palpatine won out, not Obi-Wan. Because Palpy told him what he wanted to hear and encouraged all the things the Jedi denied him, all the things that make us human. Instead of controlling his anger they taught him to be afraid of it and to never get angry, instead of teaching him love is positive they taught him to suppress his feelings. So he turned his anger inward. Vader makes sense in that regard, but you cannot make excuses for his murdering the Sand People, Dooku or the younglings.
Attachment is so forbidden they cut Anakin off from his mother and left her a slave. Because they steal children because they don’t have children get married and have families, because you know attachment.