Firqa parasti – based on branches of religion (not principles, not usul or foundations) a group that proclaims exclusivity in their correctness.
Fiqha – are jurisprudence. Hanafi, Shafi’, Hambali, Maliki are not Firqas
Due to ignorance, extremism in Fiqha can appear like a Firqa
The sunnah way of uniting the so-called firqay is by finding the common ground rather than declassifying them all and expecting or forcing people to forsake their groups and unite as a single group of ‘Muslims’.