TFA title seems odd. Article sez Backblaze has responded to the claims of "sham accounting" and (indirectly) to the claims that "customers backsups [are] at risk", yet the title wording implies that the backups are at risk as a consequence of BB responding.
Not really - if they continue to lose the money that they are losing, then they could go bankrupt. If they never reach profitability, then the only other option is to keep borrowing/raising cash.