What if all those big corporates and businesses starts using crypto as a mode of payment just to avoid tax which will cause a direct loss to the government which uses tax for the betterment of the country. This might not affect corrupt countries as it doesn't matter because tax money goes to politician's coffers but what about developed nations?
microsoft already support bitcoin payment in last 3-4 years, and now still avaible too
check here :
https://support.microsoft.com/en-us/help/13942/microsoft-account-how-to-use-bitcoin-to-add-money-to-your-accountand vultr still avaible to use crypto in payment too.
using bitcoin in largest company like microsoft is not to avoid tax, its just to simplify in payment processor, just like paypal,
we have bitcoin payment gateway such as bitpay, coingate, coinpayment etc. to simplify tax in crypto payment, the payment gateway service will paye the tax to goverment so they are not avoid tax in transaction.