They used Bf 109s for ain an air defense workrole in the vicinity of the field.
The Me 262 was due to low speed, very vulnerable in landing configuration and at ground.
It didn't help that the engines were thirsty and so to conserve fuel, the pilotpilots were instructed to shut down as soon as possible and let tractors and special motorcycles pull the aircraft into its revetment.
While marauding RAF and USAAF fighters could intrude at any time.