Along with its new heart-shaped pizza, Pizza Heart, the company included personalised notes for competitors including KFC, McDonald's and Domino's.
Meanwhile, Nando's Malaysia stepped in to mediate the situation, adding that "it is currently very hazy and not to add fire to the situation".
"If you are at a certain level, it's not going to be easy to achieve the more traditional work-life balance. What you can do is to ensure you do not deprioritise your family because many people tend to do that."
Ler brought OOH back into Pizza Hut’s marketing mix and increased digital spending from 20% to 35% to better target the younger generation.
In collaboration with Universal Music Malaysia, the Singing Pizza will be available from now until the end of December 2019.
"2019 will continue to be a year of business disruption triggered by many more tech innovations."