Is it prescribed to boycott innovators in this day and age?

Is using loudspeakers for the adhaan an innovation (bid’ah)?

Ruling on printing the name of Allaah in the Qur’aan in a different colour

Ruling on gathering to read Qur’aan together on the occasion of the death of ‘Ali (may Allaah be pleased with him)

Specifying a number of times to recite dhikr or du’aa’ that is not narrated in sharee’ah

Kissing one’s thumbs when the name of the Prophet is mentioned is a bid’ah

He wants to make up the prayers for his wife when she has her period!

Are the compilation of the Qur’aan and the first adhaan for Jumu’ah forms of bid’ah (innovation)?

Dhikr recited in unison following the prayers

The difference between setting an appointed time for lessons and setting an appointed time for qiyaam al-layl