For as long as I can remember, dandelion plants were THE enemy of the city neighbors all around. Any sign of their yellow flowers in the lawn or garden needed to be eradicated by all means, as soon as possible.
Of course, your little children or grandchildren enjoy picking the seeds with their small feathery parachute-like umbrellas and with a small puff make them rise and travel in the slightest breeze to the lawn next door.