I'm not sure what deems a registrar to be more developer-friendly over another. I prefer it be simple, and that they get their revenue from registering domains

I'm not sure what deems a registrar to be more developer-friendly over another. I prefer it be simple, and that they get their revenue from registering domains (and adjacent services), not entirely different markets. For what it's worth, I've used namecheap for +15 years and have no complaints.