No, there is another risk here. At some point Monero could be dropped by exchanges due to regulatory pressures or even perceived exposure, since every transaction involving it is untraceable they could find it impossible to implement future tracking and reporting requirements. This sort of thing is not unprecedented, just look at Poloniex (which never dealt in actual dollars, only Tethers) who finally gave up and banned all US custmers. This, of course, would devalue the currency.