There's truth in this.
We shouldn't be choosing, as the analogy goes, which is the better option - the abusive slave owner or the benevolent slave owner.
What we should be doing is getting rid of slavery.
In the House of Commons, Members of Parliament aren't free to voice their opinions, nor even represent their constituents' wishes in many cases.
That's not the Speaker's fault.
Who is at fault is clear to me, but of less interest - what I'm interested in is how we fix the system.