There are a number of alternative practices, typically it is sold to companies that refurbish and resell, sometimes it's donated to companies that refurbish and

There are a number of alternative practices, typically it is sold to companies that refurbish and resell, sometimes it's donated to companies that refurbish and donate to charities. It is generally not done directly by the company that owns the hardware, as selling or donating hardware accrues legal liabilities for maintenance and support should you sell or donate it directly.