Andy Burnham, now prime minister, has announced a national campaign against passengers who play music or videos out loud on public transport. The initiative includes poster campaigns under the slogan "share the carriage, not the noise" and new guidance allowing local transport authorities to levy fines of up to £100 on buses for nuisance behaviour including loud music, vaping, and littering. The powers derive from the Bus Services Act, which lets authorities set and enforce their own onboard rules. The enforcement model is revealing. Drivers will not be expected to police compliance — that falls to transport safety officers or police. Train operating companies already possess powers to fine up to £1,000 for similar offences. The new guidance essentially extends a similar framework to buses, where local authorities have lacked explicit enforcement tools. The politics are straightforward. YouGov polling shows roughly 60% of voters back action against headphone dodgers, with one survey finding support for fines as high as £1,000. Sadiq Khan ran a "travel kind" campaign in London over the summer. The Liberal Democrats have called for £1,000 bus fines to match train penalties. This is a policy space where every party is racing to claim credit for something almost nobody opposes. The substance, however, is thinner than the headlines suggest. A poster campaign is a poster campaign. The £100 fine ceiling for buses is one-tenth of the existing train penalty, and enforcement depends on the presence of transport safety officers whose numbers are not being expanded under this announcement. The gap between the power to fine and the capacity to fine is where most nuisance-behaviour regimes quietly die. Unite general secretary Sharon Graham cut directly to the structural issue: the proposals are "wholly inadequate to tackle the challenges and violence bus workers are facing on a daily basis." The union's point is that headphone dodgers are a nuisance, but the real problem on buses is assault, intimidation, and abuse directed at drivers — none of which a poster campaign addresses. The government is solving the problem voters tweet about, not the one workers report. This is classic low-cost signalling governance. The fiscal outlay is negligible — poster printing and guidance documents. The political return is disproportionately high because the irritation is universal and the opposition is nil. But nothing here builds new enforcement capacity, funds additional safety officers, or addresses the structural underfunding of bus-network safety that unions have flagged for years. The twenty-year question is whether micro-norm policies like this accumulate into a genuine culture of enforceable public-space standards, or whether they remain decorative — popular announcements that never develop the institutional muscle to change behaviour. Britain's track record with on-the-ground transport enforcement suggests the latter.