If you picked the junior carefully they'd be fine in terms of added value.
Training useless junior engineers is excruciating. There's a strong sense of pouring time into the void. Good juniors are a different game. Someone that understands new stuff on the first try and asks piercing questions about what stops a given approach from working is great.
Training useless junior engineers is excruciating. There's a strong sense of pouring time into the void. Good juniors are a different game. Someone that understands new stuff on the first try and asks piercing questions about what stops a given approach from working is great.