Bundesangestellte müssen in ihre Büros zurückkehren, es ist jedoch unklar, ob noch Platz verfügbar ist

Purely a political move to satisfy lonely managers.

The only factor to consider is whether the overall productivity went up or down in the hybrid model and so far neither side of this argument can produce statistics. The data must surely be available. This tells me that Treasury Board knows that 5 days in the office vs 4 doesn’t improve productivity.