Nothing new in that. Everyone pays to someone or the other to make their own product/life better. Most of the times these products do not compete, sometimes, they do.

How many times you believe duckduckgo would have google'd stuff just to create a competitor to Google itself? I believe thousands of times.. could be more.

OpenAI cannot claim the code their models produce as their own since their own models used codes from public internet during training to produce new code.