Their programs are simple and works well at the job for which they are intended. Why should I not use good software just because the developers' politics are not in vogue?
In this case, submitting code changes to a project like suckless might be not such a good idea, as you might not be welcome.
And as a result, you might want to avoid such projects.
(Also, referring to literal nazi symbolics as "not in vogue" is quite concerning)