"Hundreds of businesses and groups of all sizes had signed the TSA letter, Guaitamacchi said, adding: “Many told us of the direct financial and operational impact this would have on their business. Some others are digital-first businesses, who told us of their concerns about being able to expand, use office and co-working spaces, and of the importance of standing up for their values.”
If this is the case, then surely having guidance that accurately reflects the law is important, meaning they can design any future office space to comply with this.