Yes, TVP is generally extremely biased and only presents the government's side of things. Similarly to TVN, another popular TV station in Poland, which is biased but interprets facts in favor of the opposition. It's just how things are in Poland, it's not too different from what you can find in the US.
However, TVP World (an branch of TVP publishing in English) is actually not too bad. It's still biased but not dumbed-down, I would say.
More Poles realise this now, but they are often frowned upon by the mainstream media (surprise, surprise - they are mostly German-owned) and called regressive, nationalistic, etc. But the trends are rather positive, we now have a government that seems to support Polish industry, and peoples' attitudes have changed. For example, there's a very popular mobile app called Pola, which tells you how much a product is "Polish" (it computes a score based on where the owners are located, whether the company does R&D in Poland, and so on) based on barcodes. It's actually pretty trendy now, and it's not uncommon to see people scanning stuff with it in supermarkets. More about it here: https://growthengine.withgoogle.com/intl/en-eu/voices#card-s...
Interesting fact - some people responsible for the sell out to the west have been recently given prominent positions in Ukraine's government structures.
However, TVP World (an branch of TVP publishing in English) is actually not too bad. It's still biased but not dumbed-down, I would say.