In this same world where Apple and Palm babysit phone owners does Dell get to dictate what software I install on my netbook and get to ban certain pieces of sof

In this same world where Apple and Palm babysit phone owners does Dell get to dictate what software I install on my netbook and get to ban certain pieces of software because they're not approved by them? I understand the idea of vendor lock in and I don't think it's in Palm's worst interests to try to profit from their App Catalog but trying to justify it based on safety just sounds absurd.