Earlier quoted context omitted.
It's not about open source maintainers. This isn't an "open source" problem further than the fact that Daniel's software is used in a product they are using. Daniel could take a couple of seconds to ignore this email and there was very little time wasted. The real "disrespect" should be whatever engineer put Daniel's name into the spreadsheet that blasted out these emails. Someone didn't do their job and is checking…
If they were accidentally infringing licenses, this scattershot approach may result in snitching on their own company. That's how a log4j security audit becomes an Oracle licensing debacle.
Namely: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.