Why is it so hard to buy crypto with a credit card?

In today's rapidly evolving digital economy, one would assume purchasing cryptocurrencies using a credit card would be a straightforward process. However, the reality is quite different. Why is it so challenging to facilitate such a transaction? Is it due to the inherent volatility of crypto assets, leading banks and credit card providers to hesitate in facilitating these purchases? Or perhaps, the complexity of integrating traditional financial systems with decentralized blockchain technology poses a significant hurdle? Could it be the regulatory uncertainty surrounding cryptocurrencies, making financial institutions wary of entering this space? Understanding the reasons behind this challenge is crucial for both consumers and the crypto industry alike.