BoundArguments.arguments used in the recommended way to call a callable silently succeeds for nonexistent arguments

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-09-08.15:40:46.385>
labels = ['type-bug', '3.10', 'docs']
title = 'BoundArguments.arguments used in the recommended way to call a callable silently succeeds for nonexistent arguments'
updated_at = <Date 2020-09-13.05:07:36.438>
user = 'https://github.com/Julian'

bugs.python.org fields:

activity = <Date 2020-09-13.05:07:36.438>
actor = 'terry.reedy'
assignee = 'docs@python'
closed = False
closed_date = None
closer = None
components = ['Documentation']
creation = <Date 2020-09-08.15:40:46.385>
creator = 'Julian'
dependencies = []
files = []
hgrepos = []
issue_num = 41745
keywords = []
message_count = 7.0
messages = ['376578', '376590', '376755', '376756', '376778', '376809', '376823']
nosy_count = 4.0
nosy_names = ['terry.reedy', 'docs@python', 'Julian', 'yselivanov']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue41745'
versions = ['Python 3.10']