why Get-SPServiceApplication -name "Web Analytics Service Application" ApplicationPoolAccount is bank

Get-SPServiceApplication -name "Web Analytics Service Application"

Name                         : Web Analytics Service Application
ReportingDataRetentionPeriod : 25
SamplingRate                 : 100
StagerSubscriptions          : <StagingDatabases><StagingDatabase>CHGVA-SQL51\MSSQLSERVER01;WebAnalyticsServiceApplicat
                               ion_StagingDB_936acb6a-f1ee-4a53-b5aa-41d084295d41</StagingDatabase></StagingDatabases>
ReportingSubscriptions       : <ReportingDatabases><ReportingDatabase>CHGVA-SQL51\MSSQLSERVER01;WebAnalyticsServiceAppl
                               ication_ReportingDB_bdfe6f7d-7f45-4ad9-b3a5-1ae94f3e2dec</ReportingDatabase></ReportingD
                               atabases>
ApplicationPoolName          : SharePoint Web Services Default
ApplicationPoolAccount       :
ReportConsolidationStartTime : Daily at 2:00:00
IsDataTrimmingEnabled        : False
MinAggregationDepth          : NotSet
MaxAggregationDepth          : NotSet
UsageUrlFilters              : {}