Not speak in Ukrainian all the time.
It influences a decision-making process and many positive changes were made by this team.
It's lower than at the market
Grammarly is a values-driven company, and I don't say that lightly. Their decision related to the product and organization stems from their values, EAGER (ethical, adaptable, gritty, empathetic, remarkable). The product has a positive impact on people's lives, and my work contributes to that impact.
Focus on values. Clear communication with all employees.