The man has 30 years' successful experience in planting and tending public ornamental sites.
look...I give loads of credit to the guy. I'm sure he's a nice guy. But we all can't just go out and do whatever we want to because we think it's "nice". This is why we have laws....so we don't govern ourselves on feelings.
Also...my husband is an avid gardener. He would consider 1,000 morning glories as "terrorism". :P