Full translation is "500 years ago today a group of Spanish troops led by Hernan Cortes and native allies achieved the surrender of Tenochtitlan in Mexico. Spain successfully liberated millions of people from the terror of the bloody Aztec regime. We are proud of our history."
Wtf Vox.
Generally extremely negatively, from what I've heard, though they're not a monolithic bloc and some nations like the Tlaxcaltec did better under the early Spanish empire than they did under the Aztecs and remained loyal to Spain during the independence wars.