Moving away from formal office wear?

When people are researching companies to work for, the ethos of the company in terms of diversity and inclusivity is very important for many potential recruits. As part of this drive Virgin Atlantic have recently announced they have repealed their tattoo ban for cabin crew.

Is this part of a wider trend for staff to express their individuality and move away from formal office wear?

https://www.hrmagazine.co.uk/content/news/virgin-atlantic-repeals-tattoo-ban-for-cabin-crew