The problem with male birth control pills is that it's the women who bear the bulk of the risk/responsibility when it comes to pregnancy. If a woman says "trust me, i'm on the pill" and lies -- they're the ones that get pregnant and likely get stuck raising the kid. Sure the father might be on the hook financially, but if the woman lied about their birth control and went forward with the pregnancy anyway it's not abs…
More options are always better. It's common that hormonal birth control won't work for someone, so it's great that we are creating more configurations. You're also correct that the person who is going to get pregnant is the more invested party and the one who is going to suffer the consequences from improper preparations.
Depending on the country/state you are in. If abortion is legalized, you can do that. And then, if you know you won't get an abortion either because local regulations forbid, or it goes against your beliefs, then you have to weight in your risks and make your decisions, like combining birth control methods for example.
Now, in places where abortion is legalized, women are the only ones with the power to stop the pregnancy, and the guy needs to face their decision. They can't bail (at least, financially)