Hi Joy,
Appreciate your response.
I think the issue with this is that Pyth Pro is often used by more traditional markets that may/may not have an interest in blockchain and would prefer to just pay in USD. If we force them to comply, they may seek an alternative data supplier. If we can take as many diverse payment methods as possible, that would be great.
Did you know that a portion of Pyth Pro Payments are actually used to buy back PYTH tokens off the open market? I may not have been clear with my previous statements, but you can see the March transactions and on-chain buybacks here:
With the eventual sunset of Pyth Core (and systems) the consistent buybacks of the DAO should increase consistent demand and reduce circulating supply. Increased demand, with reduced supply: simple economics in the long term 
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I agree, in a perfect world PYTH would be used directly for subscription payments, but we currently live in a world where less than 10% are web3 native. So if we lock out >90% of the market, we would be doing ourselves a disservice. I am optimistic that this number changes (higher) in the longer-term future, but for now, purchases in USD are very welcomed in my opinion. The reserve has accumulated over 9.3 Million PYTH tokens to date. This number will grow and grow in the future. I consider this extremely positive.
Again, thank you for your response,
Derrp.