If that's the case, why does the name change? IMHO that was in order for the old ownership to provide some dignity to the old Post (which broke many world-wide

If that's the case, why does the name change? IMHO that was in order for the old ownership to provide some dignity to the old Post (which broke many world-wide level news over the years, i.e. Watergate) from thew new ownership, in case J. Bezos turns the venerated newspaper into a trash magazine.