Earlier quoted context omitted.
Presumably striking isn't a great sign of motivation already. If you think you're so unimpactful that your job is at risk, you probably aren't very motivated.
Layoffs at big companies have nothing to do with individual impact. There might be exceptions, and with companies that are cash-strapped (or smaller companies in general) the situation might be different. But for big companies, it's just a matter of the executives deciding that they don't want to invest in a specific org/project anymore ( or they want to offshore ) and if you're in one of the affected orgs/projects,…
This seems really simplistic. It's certainly happened before, but it seems ludicrous to just assume that executive whim is always the cause. Another reason is if a company is doing badly financially, something needs to change.