Another example are perhaps printer companies? "Execute the jet some ink" protocol needs the exact inkjet cartridge they sell, other products are actively shiel

Another example are perhaps printer companies? "Execute the jet some ink" protocol needs the exact inkjet cartridge they sell, other products are actively shielded. The technology is completely different, the effect is quite similar. Even the countermeasures are similar: changing protocol of weblinks to regular html can be compared to replying "am correct cartridge" signal.