Good Morning Britain
More than 3,600 complaints were made to the TV watchdog after Piers' interviews with MPs Helen Whately and Matt Hancock.
The Good Morning Britain presenter has urged viewers to back him and not complain to the TV watchdog.
The presenter has previously been accused of having a "vendetta" against the Duchess of Sussex.
The Good Morning Britain presenters could not see eye to eye over recent tabloid reports about the former Spice Girl.
Derek Draper is in intensive care after contracting coronavirus last month.
A message from the Good Morning Britain presenter was read out on Friday’s show.
The Good Morning Britain host riled viewers when he attempted to imitate the Chinese language live on air.
The former Loose Women panellist was hospitalised with Covid-19 last month.
The Good Morning Britain star is in "strict isolation" with her two children, while her husband, Derek Draper, is in hospital.
The presenter took a moment during Wednesday's Good Morning Britain to address his "blending issues".