I had strong feelings about this, because my stepson was a bed wetter and his mother made him wear diapers.....still at 8 years old - not goodnights or pull ups, actual diapers (he was a skinny thing) . I felt this was humiliating for him.
So, my oldest potty trained at 2, but continued to wear diapers for bed. At about 3 1/2 she said she didn't want to wear them to bed, and I didn't make her. No, she hadn't been dry at night. She would go to bed at 8:30, and at 10:30, I would go in and she would be soaked, and sound asleep. I would change her and the sheets, and she never woke up! I did this for about 6 months - and suddenly, it changed.
Then my 2nd daughter trained at just under 3. She was stubborn about it, but within 4 days was trained. The 4th night, when I went to put a diaper on her, she said she didn't wear diapers anymore. So I didn't put it on and she never had an accident. Different kids.
Anyway, my feeling is you need to try. Yes, it's more work for you, but his self-esteem is an issue too.