Quitting your job? Here's why you shouldn't keep quiet about it

The process of leaving a company goes beyond handing in your resignation letter, doing handovers and packing up - a really important part of it lies in how to tell people you're going.
I'll be upfront and say this - I've never resigned from a company before, so perhaps I have no business talking about whether or when one's departure from a company should be made public (to the rest of the person's colleagues).
That being said, I have always perceived news of a person's decision to leave the company they work for to be sensitive - or at the very least, "not my news to share".
Until a colleague I was speaking with one day asked me, but why? Why be shy about talking to someone about their departure? Why should this be a secret, or something not to be discussed openly?
Why indeed? Perhaps the person is sensitive about circumstances surrounding their exit - maybe they were fired? Or if they were not, maybe they're leaving without a new job lined up and would prefer not to have to field questions about why - or maybe they're leaving with a new job and don't want to say where for now?
Circumstances aside, the pandemic and overall shift to hybrid work has made the handling of these matters a bit trickier. More than once in this past year, I learned about people's departures or impending departures as middle clauses of sentences, or through operational discussions (of the leaving colleagues' roles opening up), rather than through any formal communication.
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And because of how informally I learned of these people's departures, I froze up whenever talking to the people themselves, or with any other colleague, unsure if they already knew that I knew (in the case of the departing colleague), or if they knew - and if it was appropriate for me to be the one telling them about it if they didn't already.
Certainly, therefore, all these complexities that come with overthinking and second-guessing will be spoken for if departures were made known to all, once and for all.
So here's my bold proposition: Departures should be announced department or companywide (depending on how large the company and department is, of course), as soon as they're confirmed.
What would an ideal departure announcement process look like? Here's my take:
In this way, anyone who works with you is informed early enough to reach out to you and tie up any outstanding projects or tasks on hand that you're involved in or in charge of, for handovers. Anyone emotionally affected by your departure will also have sufficient time to prepare themselves for it - perhaps take you out for lunch or organise a farewell meal.
Changing cultures, mindsets and approaches to human resource management is doubtless a tough task - far easier said, and even explained, than done, especially relating to currently deemed sensitive matters like departures.
But perhaps if a company's management can be convinced that it makes operational sense to do this, prompt and transparent departure communications might see some helpful and positive change in the workplace.
This article was first published in The Business Times. Permission required for reproduction.