WW -_I have many issues with the UK system of government. However, it is what it is. The UK is a representative democracy. Fact. That is the system Brexiters fought to retain.
The referendum was advisory. Fact.
These are points of law. Fact.
Parliament is sovereign. Fact.
You want the views of the people to count. You want the referendum to be legally binding. However that is not the system we have.
I am more than happy to discuss the need for PR, a written constitution and a Bill of Rights but in the UK at the moment MPs do not follow the direct instructions of their constituents. You might not like it but it is the system you voted to maintain.