Why would I care about a DIY repair phone? Am I to assume that all of a sudden I’m a phone repair expert and when I take my phone apart I’ll be able to put it t

Why would I care about a DIY repair phone? Am I to assume that all of a sudden I’m a phone repair expert and when I take my phone apart I’ll be able to put it together perfectly and keep the same waterproof levels as a manufacturer would? This is at best an out of the box marketing gimmick by Nokia to sell some phones.