Ask HN: Why are VPS providers sending passwords in plain text?

I was on the lookout for a cheap VPS (~$10) to test out something. I signed up for Host1Plus.com and I got my password in plain text.

I immediately cancelled my account. I checked out IntoVPS (which was recommended here) and the same thing happened. Even though they were not accepting payment from "my country"

So I'd like to know, is it the norm to send passwords in plain text. Two random VPS providers, same experience.

I could have used Linode but I just need access for a day or two which is why I am looking for something cheap.

Update

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I got this form one of them

"Hello,

Password has been sent to you in plain text for easier usage. However, email was sent from server which uses SSL certificates in your provided email address."