It is not bad at all because the comparison is only between equal persons or subjects. But since the subject is buying a house at present time. So without buying a house at this time if the money for buying that house can be invested in cryptocurrency or bitcoin, then after a few days, it will be very easy to buy more things including houses much better than before with the dividends of this investment. So in my opinion buying a house at this time is an essential waste.
Your current view of things like that is also not wrong. Because the increase in the price of Bitcoin and other cryptocurrencies can be taken as an example and it is an opportunity that for now it is better to keep holding Bitcoin and several other cryptocurrencies in order to get more profits which in the end can also be used to buy a house. But for those who don't have their own house or who still rent someone else's place for their daily living, they definitely won't think like this unless that person really believes in Bitcoin and plans to buy a house someday.