We have the following string describing our attachment shortcut:
If this message is neither a plain text message nor a status update

and the following message attributes are set to it:

    * :class:`telegram.Audio`
    * :class:`telegram.Dice`
    * :class:`telegram.Contact`
    * :class:`telegram.Document`
    * :class:`telegram.Animation`
    * :class:`telegram.Game`
    * :class:`telegram.Invoice`
    * :class:`telegram.Location`
    * :class:`telegram.PassportData`
    * List[:class:`telegram.PhotoSize`]
    * :class:`telegram.Poll`
    * :class:`telegram.Sticker`
    * :class:`telegram.Story`
    * :class:`telegram.SuccessfulPayment`
    * :class:`telegram.Venue`
    * :class:`telegram.Video`
    * :class:`telegram.VideoNote`
    * :class:`telegram.Voice`

Now status update is not really defined in Telegram context. From my feeling for how I would use this method, I would describe it as "user generated message which is not a plain text message". This would however mean to remove SuccessfulPayment from this list.

On the other hand, if we stick to a definition which includes SuccessfulPayment, imo all service messages which link to an object should be included.