Well, I don't see politics in calling it Valencian. The language spoken in Valencia, besides from Spanish, is Valencian (a variant/dialect of Catalan). Noone in Catalonia speaks Valencian Catalan as long as they're not Valencians themselves. Hence it doesn't imply any political meaning, just geographical, in my honest opinion.
But it's true, political tendences use to deploy language as a sword for their cause and, in this case, claim Valencian to be a language or a dialect, leaving any philologic proof out.
Edit: use the Edit button
Thanks for clearing that for me
At least it's the most spoken dialect, and it's true that it has similarities with some dialects of Teruel (that all I can say).
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