It is an unspecific law which should be replaced by better laws protecting us all from those who may abuse us. I have a gut reaction against the idea of lowering the age of consent. I just know hold part of the truth. Some of them act less than gallantly when they've had a few. I'm not condemning all men.
All sexual relationships reflect power relationships.
Relationships between peers are much more likely to be equal and consenting. Age difference is a key dynamic. I had one of my most fulfilling sexual relationships when I was 14-16. He was six months younger than me. Things progressed at our own pace, with mutual respect.