Formulaapportionment appeals to governments with high corporate tax rates because it would increase their revenues, while jurisdictions with pro-growth policies would lose out.
If a formulaapportionment system had been in place, the world would have been left with much higher tax rates, and thus less investment and economic growth.
Formulaapportionment would allow tax bureaucrats to concoct a system for arbitrarily changing the existing distribution of business income, with a clear goal of forcing companies to over-state their taxable income in high-tax nations.