I'm really new to GP, do the following changes seem OK for a 'Computer' level policy (So will filter down to all computer objects)

Computer Configuration
--Policies
---Security Options
-----Accounts: Rename administrator account : Defined 'pcadmin'
-----Interactive logon: Do not display last user name : 'Enabled'
-----Interactive logon: Do not require CTRL + ALT + DEL : 'Enabled'
-----Interactive logon: Message text for users attempting to log on : '(our aup message)'
-----Interactive logon: Message title for users attempting to log on : '(our establishment name)'
-----Interactive logon: Number of previous logons to cache (in case domain controller is not available) : Defined '0 logins'

------System Services
-----Remote Registry : Defined 'Automatic'

------Windows Firewall with Advanced Security
-----Domain Profile : Defined 'Disabled'
-----Private Profile : Defined 'Disabled'
-----Public Profile : Defined 'Disabled'

------Administrative Templates
---Logon
-----Hide entry points for Fast User Switching : Defined 'Enabled'
-----Always wait for the network at computer startup and logon : Defined 'Enabled'
---User Profiles
-----Delete user profiles older than a specified number of days on system restart : Defined 'Enabled' 7 days
-----Delete cached copies of roaming profiles : Defined 'Enabled'
---HomeGroup
-----Prevent the computer from joining a homegroup : Defined 'Enabled'
---Windows Defender
-----Turn off Windows Defender : Defined 'Enabled'
---Windows Error Reporting
-----Disabled Windows Error Reporting : Defined 'Enabled'