The main culprit? Crypto’s notorious volatility. Unlike a steady paycheck, Bitcoin and similar currencies can swing wildly in value. This means freelancers could see their hard-earned income shrink before they convert it to usable cash.
This no strong argument against the many extraordinary benefits of bitcoin, if it were to be altcoins they are raising the argument about high volatility I would consider but for bitcoin the volatility is very moderate in my view to altcoins, and for a worker that chooses to regularly make withdraws at each payday to convert to fiat then it's nothing to worry about.
I would rather deal with bitcoin volatility than with the middle man through those conventional means of transactions using any fiat currency. If anyone should be worried about anything with money value, it shouldn't be bitcoin volatility but inflation which without fail continuously to assail fiat currencies.