There is too much reward on the bot side
The problem is that bot side of the map gives TOO MUCH in comparison to mid and top with TFB and Drake. This makes bot so much more desirable. So what can be done?
Idea 1: Only make top lane have Tower first blood. This is just to give incentive to gank top lane more than bot lane. might be unhealthy and it might not do a thing.
Idea 2: Switch drake and Herald positions while reverting the herald changes (several few minute buffs rather than 1 big buff). I think Drake is a major culprit in why bot is so desirable to gank and by doing a switch, you encourage attacking topside more. Also what's better than a botlane for 2 manning a herald? By reverting the changes too (to herald) both duo laners can contest it
Idea 3: Change Herald completely. Make it desirable to contest which it isn't at the moment.