It is "New Rules", not "No Rules". The movement has also affected the music industry.
The spokesman admitted May had not watched the performance by Stormzy, who won the award for Best Male Solo Artist at the ceremony.
Others also pointed out that while Stormzy, real name Michael Omari, thanked his team and family, he failed to acknowledge Jama.
He said: "I've never worked on something like this in my life".
"I do want to use this to say Theresa May is a paigon and you know what we're doing right now".
Stormzy also energized a show that bordered on bland.
Lipa dedicated her solo artist trophy to all the female musicians who "have allowed us to dream this big".
Fans are feeling sorry for Maya Jama after she was "pied off" by boyfriend Stormzy at the Brits last night.
Time's Up is a result of last year's revelation that movie producer Harvey Weinstein sexually abused dozens of women, including actresses, over the span of 30 years.
There was a similar gesture at Sunday's British Academy Film Awards, where women wore black to oppose sexual misconduct and bullying.
Janelle Monae Brings the Feels with New Single 'Make Me Feel'
The videos are part of a larger narrative film, which is being called an "Emotion Picture". It arrived with an accompanying video co-starring actress-singer Tessa Thompson.
Sheeran's prize was introduced by a video message from Elton John.
Presented by Rolling Stone, Ronnie Wood, who said he was a "prolific songwriter" who is "doing England proud".
Gallagher stepped in at the last minute to replace American pop star Grande, who had been scheduled to perform at the show but pulled out within hours due to illness.
In the most moving moment of the night, the people killed and injured in the Manchester Arena bombing past year were remembered.
"Tonight was a celebration of the unprecedented opportunities for home-grown United Kingdom talent on the global stage".
This year's ITV show - with wins for Stormzy and Dua Lipa - dropped nearly a million viewers, according to the overnight average.
There were also prizes for Foo Fighters (international group), Gorillaz (British group) and last year's Brit Critics' Choice award victor Rag'n'Bone Man, who took home the trophy for British single for his breakthrough track "Human".
Lorde has just won another major accolade, this time picking up a Brit Award.