What is appropriate or inappropriate is a personal judgment, coming to passing off judgment on TV, well everything in this universe has it place whether right or wrong, but it exists, similarly what comes on the TV is what we choose it to be there, it is we who watch TV ensure that serials are made and are shown for our entertainment.
Yes there are many serials which use words or scenes or gestures which may be inappropriate to a particular situation or age, I believe, some serial makers who want to make money may break all the rules in the book as regards, values are concerned, it is we who need to take a stand on such serials.