For another reason for this, look up the Linotype trademark case where Microsoft was sued for the pixel font names "Tms Rmn", and "Helv" --- it was to say the l

For another reason for this, look up the Linotype trademark case where Microsoft was sued for the pixel font names "Tms Rmn", and "Helv" --- it was to say the least, unpalatable for MS to do business with a company which had trounced them in court.