The fact is, whether anyone likes it or not, some employers simply don't count TP time as valuable. I'm not saying that is fair or correct but that it is how a lot of companies operate.
Command time, for the big companies, is pretty well meaningless too. Why? Because you will spend a good few years in the rhs and so they will have a very good idea of what you are like before, hopefully, you get a promotion. I was given this advice by an ex Brittania Captain in my first job and I think it still holds true.
The other good advice I was given always get the biggest shiniest type rating you can. You can trade down later if that is what you want to do.
I'm not saying the "never turn down a command" is bad advice but here I think it's on dodgy ground.