is it going to get worse and worse the more the price up? or it fixed itself
Of course once the value of bitcoin increase, the transaction fee is also automatically increase. I think that is normal in crypto transaction because even the Ethereum is also increasing the gas fee when the value keep on increasing. But you still have other choice if you don't want to pay a higher transaction fee of bitcoin. There are alternative for that like xrp and so many other altcoins.
Yes transaction fee will definitely goes high if ever the bitcoin market price reach again to $20000. Bitcoin market value reaching $20000 was not impossible hence it already happened way back year 2017 where each and everyone of us are telling that this year was a Golden Year of bitcoin. Way back at this year, truly congestion were experienced where transactions sometime delayed up to 2 days.