Only in tech do people get so aggravated by employee count.
Legacy companies have armies of consultants building pretty decks with little end-product to show for it. Never questioned. Every industry has a certain amount of slack built in. Large institutions (big Hollywood, govt, defense, medical services) have oodles of bureaucracy. Tech looks like a paradise in comparison. Yes, tech workers should seek to be more efficient. But, when viewed from comparative lens, tech is in the top tier of efficient industries.
Personally, I am not sold on tech unions. But, tech workers have uniquely low leverage within their profession. Tech lacks paid overtime or paid on-calls. Engineers are routinely expected to work evenings for meetings with off-shore teams. There is limited mobility because unlike doctors or lawyers/ engineers/ hard-tech engineers.... SWEs are frequently managed by non-SWEs. The manner in which remote work was revoked is a canary for the lack of lobbying power among tech workers.
Yes, tech workers are paid upper-middle class wages. But, the quality of life afforded by the profession has gone for a plunge since the 2022 layoffs. Companies have revoked all the pros of covid (flexible & remote work replaced with mandatory in office days and 9-5 hours). But, they've kept all the negatives of covid (work never ends, notification on all devices, global teams, smaller offices, fewer in-office perks). It's like companies want to have their cake and eat it too.
To that end, I empathize with any tech coalition that wants to lobby for better 'worker rights'. Union strikes may be a suboptimal way of doing this. But, it's better than nothing.