its more secure than windows even you using paid antivirus
One of the drawbacks of Linux is probably its gaming and design capabilities. For those who're not aware of their privacy & security risk, the 'inconvenience' also provides some challenges. On top of that, news like this does not come into headline every often.
Anyway, if people have enough money to invest in crypto, they have to think of spending money for good security tool, including the reputable and paid-AV softwares.
Paid-AV software doesn't mean free from 'spyware'.