If you are on welfare: You shouldn't vote because you will only vote for more welfare. This is a conflict of interest
If you work for the government: you should not vote because you will only vote for bigger government benefits. This is a conflict of interest
If you don't own property: You should not vote because you will vote to take property off others. This is immoral because without property rights (including self ownership) then we will constantly steal from each other and call this OK.
If you are uninterested in politics: You should not vote because you are not giving thought to the consequences of your vote. You are rolling the dice for the whole society because you couldn't be bothered to be informed.
