he idea behind giving MPs public money to keep two homes instead of one, is so that they can maintain a strong connection with their constituency while representing it in Westminster. So who decides when an MP shows up in Parliament and which way they should vote when they get there? Is it:

The people who [...]

Democracy is made up of an informed electorate.
It sounds simple but let me deconstruct this. We need information to be informed and we need the ability to exercise our vote in a meaningful way to be a valid electorate. In the current set up we get neither and thus we cannot honestly call the [...]