Back when the Black family was still prominent, their home had once been filled with guests.
However, the visitors to their home were all "screened," so the Black family's old London residence was more than enough to receive them.
Among their many collectibles was an exquisite locket that looked exactly like the one in Salazar Slytherin's portrait.
There were many counterfeits in the antiques market, and because of advances in time and craftsmanship, some fakes were even better made than the genuine articles.
In any case, the Black Family Locket had been openly displayed in a conspicuous spot for guests to admire.
When Voldemort visited Hepzibah Smith, he was still working at Borgin and Burkes. He was certainly not there for the meager wages, but because that identity allowed him to encounter more antiques and treasures, train his eye, and avoid being fooled by counterfeits like "ordinary people."
No matter what Voldemort later became, his conviction to pursue power was still admirable. It was only that he treated everyone as "servants," demanding that his "servants" obey his orders. Grindelwald, another owner of the Elder Wand, chose an Inferius instead. At the Wizarding Confederation's election ceremony, he had the Qilin make a choice, but that itself had been a performance.
He knew the Qilin would not choose him, so he killed it and then "revived" it using the method for creating an Inferius. That way, the Qilin would act entirely according to his wishes rather than its own "nature."
According to theological beliefs, people were given the desire and ability to choose between good and evil when they were created. This was called free will.
The Qilin was widely recognized as choosing the person with the purest soul, but its "bow" did not mean it had chosen a master.
It merely