Honestly, Snape becoming Hogwarts' new headmaster and expelling dozens of Muggle-born students in one fell swoop should have been enough to shock the entire British magical world and make the front pages of every major newspaper.
Yet, under the Ministry of Magic's deliberate control, the matter failed to cause even the slightest ripple in the magical world, as though it had never happened at all.
The only related news came from the Ministry's announcement that students had to prove their wizarding bloodline before they would be allowed to enrol.
As for what exactly that meant, everyone who learned of it chose to pretend they had not seen it and act as if they knew nothing.
After all, Muggle-borns had no channel through which to speak out.
They were not the ones unable to attend school, so it was not their misfortune.
As for the Muggle-born students who had already been expelled from Hogwarts, there was nothing they could do after suffering such a disaster. Even if they wanted to protest to the Ministry, they would only be walking into a trap and delivering themselves to Azkaban.
To put it bluntly,
Muggle-borns had been abandoned by the entire magical world.
Of course, everyone would pretend they knew nothing about it, lest they appear too heartless.
In truth, they could not really be blamed.
Under the current circumstances, wizards across Britain simply had no energy to spare for Muggle-borns, much less any excess sympathy to help them. Most wizards were barely able to protect themselves.
Still, there were always discordant voices in this world.
The Wizard Lookout Station Broadcast reported the matter truthfully and laid bare the cruel truth behind the Ministry's requirement that students prove their wizarding bloodline before being admitted: seventy or eighty Muggle-born students had been ruthlessly expelled overnight.