> It results in almost 50% of the votes being outright discarded and permanently entrenches a 2 party system.
I don't see how either of these assertions follow.
The size of the mandate is important, and the connection between a 2 party "system" and FPTP is something that you'd need to elaborate upon, because there is nothing about the ballot as such stipulating the number of parties. I. Fact, other parties are frequently on the ballot, so the dominance of 2 parties is not obviously connected to FPTP as such.
I don't see how either of these assertions follow.
The size of the mandate is important, and the connection between a 2 party "system" and FPTP is something that you'd need to elaborate upon, because there is nothing about the ballot as such stipulating the number of parties. I. Fact, other parties are frequently on the ballot, so the dominance of 2 parties is not obviously connected to FPTP as such.