With what criteria does one decide to remove a tree?

Now I am confused. How can you say you are an avid gardener when you can't be bothered to cut the lawn.? As for the trees cut the Juniper, it is a hazzard. Severely prune the rose vine, that will regrow so no loss there. The apple trees are another health hazzard, so they must go, they burn very nicely too. You are more than aware of the obstructions in your yard, and the damage they can do, personally phisically, and to surrounding buildings and underground services, Your only option before one of your family is beheaded is to get rid of the horrors, don't worry the envionment will survive. Criterian for disposal, self-presevation and common sence