Islam does not require a Muslim to follow a particular Madh’hab (school of thought). Rather, we say: every Muslim has the right to follow one of the schools of thought which has been correctly narrated and its verdicts have been compiled in its books. And, everyone who is following such Madhahib [schools of thought] can transfer to another school, and there shall be no crime on him for doing so.
Signed,Mahmood Shaltoot.
Grand Mufi (Al-Azhar University)
Egypt
Means it depends on you , if you accept the one you doing good is correct as per Quran and Hadith , then do it.
How ever if you blindly following some thing which is not clear to you, then there is chances to go wrong. Therefor Allah Subhana wa Tallah, has declared in Quran that (use eyes and brain ) to see the reality. If we blindly following the above sects, without our knowledge and study, there is danger to loss the direction of Quran.