“As a child: ‘You’re grounded.’ As an adult: ‘Your package will be delivered between 8 am and 6 pm’”

Waiting for a package is like being in prison, or like being grounded as a child, A joke was posted on the website Sickipedia on December 19, 2017:
   
As a child: ‘You are grounded. ‘
As an adult: ‘Your package will be delivered between 8 am and 6 pm.’
   
     
Sickipedia 
As a child:
‘You are grounded. ‘
As an adult:
‘Your package will be delivered between 8 am and 6 pm. ‘
Joke Submited by HairyPutter in Other - Random · 19 Dec 2017 09:59 PM
 
Twitter
FEETDON’TFAILMENOW!‏
@yidoyidoyido
As a child:
‘You are grounded. ‘
As an adult:
‘Your package will be delivered between 8 am and 6 pm. ‘
4:32 PM - 19 Dec 2017 (This was probably posted after the above.—ed.)
 
Twitter
Mark‏
@Bonkersdj4ever
As a child:
‘You are grounded. ‘
As an adult:
‘Your package will be delivered between 8 am and 6 pm. ‘
2:25 AM - 20 Dec 2017
     
Twitter
Paul O Keefe‏
@pokeefe1
As a child:
‘You are grounded. ‘
As an adult:
‘Your package will be delivered between 8 am and 6 pm. ‘
6:30 AM - 23 Dec 2017
 
Twitter
Shit Jokes‏
@ShitJokes
As a child: “You’re grounded!”
As an adult: “Your package will be delivered today between 7am and 7pm”
1:40 PM - 27 Dec 2017
 
Twitter
Andrew Cserbakoi‏
@HungyAndy
As a child: “You’re grounded!”
As an adult: “Your package will be delivered today between 7am and 7pm”
1:57 PM - 27 Dec 2017