Derivation Of Rules From Quran Verse 4:3 And 4:6
Ghamidi saheb did not say that there is no limit for marrying women on man. In the light of Qur’an he makes it maximum 4 wives a man can take in marriage in one time. About the second part, government is allowed to legislate the minimum marriageable age. There is no restriction. For details by you can read the following article of mine https://www.tajziat.com/article/author/irfan/page/2