Complex sentence: GamerGate is part of a much larger series of controversies about gender identity and sexuality (see, for example, coverage of the Christianity and sexuality case in)--but concerns were raised about the sheer scope of some of the proposals.
Split into simpler sentences: GamerGate is part of a much larger series of controversies about gender identity and sexuality (see, for example, coverage of the Christianity and sexuality case in). However, concerns were raised about the sheer scope of some of the proposals.