If you need GrapheneOS, that is right.
But if LineageOS or eOS is sufficient for you, Fairphones are a solid option with long term support.
And in the long run, GrapheneOS might also have to look for other options, as the good developer support for new Pixel devices will not be given any more.
Until Fairphone can support GrapheneOS, Pixels are still the best option.
If you need GrapheneOS, that is right.
But if LineageOS or eOS is sufficient for you, Fairphones are a solid option with long term support.
And in the long run, GrapheneOS might also have to look for other options, as the good developer support for new Pixel devices will not be given any more.