Most articles on Wikipedia are not too bad, but this one is absolutely awful and riddled with factual errors.
For a start the artcile is titled "Christianity and Colonialism" but it then goes on to almost totally ignore Protestantism and focus entirely on Catholicism and Orthodoxy, which were far less associated with colonialism and certainly far less with its oppressive aspects.
The artcile claims European Christians believed that non-Europeans were sub-human. This is true only of protestants.
The protestant countries regarded intermarriage between races as immoral and they made it illegal - in some cases it remained illegal until the mid 20th century. In contrast the Catholic countries actively promoted intermarriage bewteen the races.
Catholic colonists from the start regarded non-Europeans as fellow humans to be taught the gospel and offered baptism as fellow Christians. Protestants failed to make any real missionary effort towards non-Europeans until the 19th century.
Protestant powers, especially Britian and the USA, concentrated on swamping the indigenous populations with huge numbers of European immigrant settlers. Catholic powers did this to a much smaller ecxtent, but concentrated mainly on setting up trading posts, hunting, mining etc which disturbed the way of life of the indigenous inhabitants far less.
Catholic colonial powers, right from the time of Columbus, passed strict laws stating in no uncertain terms that non-Europeans must have their rights to their lands, possessions and lifestyles respected and they must not be enslaved, killed, raped, assaulted or harmed. Though these laws were in many places widely disobeyed, the protestant colonies didn't even have such laws - as far as they wewere concerned the native inhabitants were just part of the flora and fauna to be used and abused at will with no legal consequence.
And if Christianity was so oppressive of and hated by non-European inhabitants of European colonies, then
(a) why were the native Americans of Latin America overwhelmingly on the side of Spain during the independence struggles? (They saw what was coming - after independence, the oppression of native races greatly increased.)
(b) why, although after 100 to 400 years of European colonialism, when the African countries gained their independence in the mid-20th century CXhristians were still only a very small proportion of the population; AFTER independence, freed from the interference of the colonial powers, the Christian population expanded exponentially so that now the majority of the population of most of the ex-european african colonies is Christian.
I could go on and on. I havent even mentioned the Jesuits and their centuries long struggle against colonialism (which caused the European powers to force the pope into suspending the Jesuit order for 40 years) - the Reducciones founded to enable the native ameriocans to resist colonialsim in what became Paraguay and elsewhere - after independnece of the european colonies, the new independent european-colonist states of Argentian, Brazil, and Bolivia made war on Paraguay and seized most of its territory.