We’re talking about a small company. Keeping your lineup manageable keeps your processes in check. Offering fewer things means less stuff to take care of.

You can still easily get one through retailers if you want to, but they argued that sales were down, so they phased out selling the device. Just like they did with older models, which they then continued to support for years. So I call bullshit: as long as they don’t officially stop supporting the fp5 I have no reason to believe they would as they kept their promises before.

In fact this is already happening with the FP5 being discontinued a mere 2-3 years

What do you mean? It’s about 2 1/2 years old and receives updates regularly:

https://support.fairphone.com/hc/en-us/articles/18682800465169-Fairphone-5-Release-Notes

They also announced support until 2031. They stopped sales, which is fair enough, but supposedly will push it up to android 18. I never heard anything about them no longer providing support. Where did you get that idea?

it really disincentives them from their core mission of sustainable and long lasting phones that don’t need replacement every 2 years.

Huh? Why would it? You know that people can plan ahead, including their company’s budget?