It shouldn't be a surprise that MS is neutral about unions (for now) because the company as now structured is about certainty; certainty in revenues (subscriptions) and certainty in costs and with union contracts being multiyear deals there is more value in locking down costs as much as possible for years at a time given the uncertainties of the day.
Remember that the bulk of MS stock belongs institutional investors, pension funds, etc, that depend on the dividends they pay out and with the expectations that AI and gaming are going to grow steadily there is no need to squeeze the staff like at a certain ex-Microsoft studio dealing with "soul crushing" morale.
In-house peace in times of turmoil is worth more than whatever raises they dish out.
Think of it as Nadella being Nadella.
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