I could easily afford any of their competitors but I always picked Spirit airlines. The pricing makes sense, pay more if you need more things. I liked Spirit because it was more akin to riding the bus, I got treated well every time by their staff and the experience was fairly consistent. Other airlines also have cramped sits, what little they did better than Spirit isn't worth the price, and the experience was incons…
Spirit seemed to enjoy making their customers hate them. everyone who liked Spirit had to explain themselves (like you did) because their reputation was awful. It was a trainwreck of a brand.
I liked Spirit, though, great cost savings, and I didn't mind the minor inconveniences that came with it.
Aside from being known for being a cheap airline, the brand itself was pretty solid... I think it had everything working to its advantage. The bright yellow exteriors of the planes, a catchy name. I think people knew exactly what Spirit was and what they offered, which is the sign of a good brand.