Not always. Some companies distribute 'open source' crippleware and try to sell proprietary extensions, just like 'freemium' games, but you seem to be talking a

Not always. Some companies distribute 'open source' crippleware and try to sell proprietary extensions, just like 'freemium' games, but you seem to be talking about paid services, not proprietary extensions. If all of the product is released under a Free Software license, what is there to complain about? Not receiving free consulting services?