But "lesser" evil doesn't necessarily mean the evil was small.

You are right, the USA and the UK were the lesser evil compared to the Nazis, but we should never forget their crimes against humanity, just as we should never forget the flaws of the Soviets, still, the USSR was the lesser evil in the Cold War.

Glad we are clear on that, not sure why you brought up Nazi apologist talking points before like:

Neither [Nazi Germany or the USSR] was much better than the other.

It's important that you visit memorials erected to in the memory of the Victims of Communism, sometimes there are hundreds of names there. I once checked a near one, and decided to google some of the names of the people the evil russkies took to the Gulags. It's so weird how often they were Axis soldiers accused of heinous war crimes! But Axis soldiers could never! Must have been fabricated!

edit:

These real people are on actual Victims of Communism (VoC) websites, and after just 5 minutes of searching, I found the crimes they were tried and found guilty of.

Case 1

In 1942, he was appointed district leader in the Budapest District XII organization of the Arrow Cross Party, and from October 15, 1944, he served in the armed party service. Between November 28, 1944, and January 14, 1945, he participated in the apprehension, robbery, assault, and unlawful execution of several hundred people considered Jewish in District XII of Budapest and on the Buda bank of the Danube.

Case 2

From June 1942 to January 1943, he served as the deputy commander of the 101/5 forced labor company. On the Eastern Front, he treated forced laborers cruelly and ordered his subordinates to do the same. Through his intervention, the so-called "leper section" was created, to which only sick forced laborers were assigned. He was dissatisfied with their work performance, so he denied them food and medical care. As a result of his actions, only 22 out of the company's 260 personnel survived.

Case 3

Following the Arrow Cross takeover, he became a party serviceman and then deputy to Géza Horváth, the IX district party leader. However, Illés exercised the actual power in the district. He decided the fate of the people brought into the district Arrow Cross house. He interrogated the persecuted under severe abuse and then, under the pretext of transporting them to the ghetto, gave the order for their execution. On December 19, 1944, he conducted a raid on St. Stephen's Hospital with several party servicemen, from where they abducted 40 people and handed them over to the party servicemen of District II, who executed them on the banks of the Danube. All valuables were taken from the people brought into the Arrow Cross house, of which Illés kept a record. On one occasion, he had a cartload of stolen goods transported from the house at 39 Lónyai Street.