We can speculate, however, that buying out half of the Arduino AG wasn’t cheap, and that even pooling all of their resources together, the original founders just didn’t have the scratch to buy ...
Building radio receivers from scratch is still a popular project since ... and everything is controlled by an Arduino including a small LCD screen which displays the current tuned frequency.
While you could potentially code (in Arduino programming language, or C/C++) the required functions from scratch yourself, ...