BBC
"It's not a partisan comment, it's a statement of fact supported by the worst death toll in Europe," Piers tweeted.
The corporation previously issued an apology after broadcasting footage of Eriksen receiving urgent medical care.
The Newsnight journalist was confronted by an un-masked protesters near Downing Street.
The BBC previously issued a public apology over the broadcast.
"We apologise to anyone who was upset by the images broadcast."
The corporation has issued a response after some suggested Eurovision was too "political" and a "waste of the licence fee".
It was recently reported the DIY SOS host was "facing the axe" over his involvement in the ad.
The former BBC broadcaster insisted his scheming didn't do anything to harm the princess.
The prime minister says the broadcaster must take "every possible step" to avoid a repeat of its 1995 Panorama programme.
“The ripple effect of a culture of exploitation and unethical practices ultimately took her life.”
About BBC
The BBC (British Broadcasting Corporation) is a British public service broadcasting organisation. It was founded in 1922, and in 1936 launched the world's first regular high definition television service. It operates under Royal Charter in a licence agreement with the UK government, and receives money from the licence fee which is supplemented by the commercial activities of BBC Worldwide. The BBC operates several television channels, including the flagship BBC One and Two channels, as well as radio stations serving the whole of the UK and its different regions.