I fully agree. I think the linear reward curve was very helpful to improve the system, whereas the higher impact of 100 % votes was a wrong decision. I wrote a rather long article about the consequences of HF 19 myself and really had wished to get more feedback from some members who are involved in the decisions about future platform changes (I don't link my article here to get some upvotes - it is too old for upvoting anyway, but I consider the problem as massive).
Here is another example of blatant self-voting (amongst many others).